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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 1700! You can review the archived cases and read the suggested diagnoses by users and the final comment by Dr Uma Sundram, the Editor-in-Chief and main spot diagnosis host. Case are uploaded each week day by 10 a.m. UK time with the correct diagnosis will generally be posted at 8 p.m. UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 2363 - 11 July 2019 Posted By: Iskander H. Chaudhry

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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53 female. Right upper arm incision biopsy. 6/12 scaly plaques trailing scale in some 1cm - 10cm diameter.

Partial response to steroid. Unresponsive to anti-fungal (itraconazole).

Edited by Admin_Dermpath


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Meenakshi Batrani

Posted

Pityriasiform deramtitis suggestive of Superficial erythema annulare centrifugum. Histologically, pityraisis rosea shows overlapping features with sperifical EAC, but in this case the clinical description is more likely of EAC. 

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Victor Delgado

Posted

Superficial Erythema Annulare Centrifugum

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Krishnakumar subramanian

Posted

if clinical information is annular lesion then epidermal focal parakeratosis with superficial dermal perivascular lymphocytes and a few eosinophils. since not responding to fungal treatment to rule out figurative erythema -EAC but CPC required

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Histologically Pytiriasis rosea of Gilbert, because of superficial perivascular infiltrate. Question: could a mother plaque become confluent with other ones around?

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Admin_Dermpath

Posted

Diagnosis

 

Thank you for your responses: the final diagnosis was:

 

erythema annulare centrifugum

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